Acson A5MSY18BR Manual

Inverter-y multi split

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A5MSY18BR

A5MSY20BR

A5MSY25BR

A5MSY30BR

Inverter-Y Multi Split

A5MSY_(i)

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Page 1 Models: A5MSY18BR A5MSY20BR A5MSY25BR A5MSY30BR Inverter-Y Multi Split A5MSY_(i)
Page 2: Table Of Contents
A5MSY_(i) Table of Contents Supercedes: A5MSY-B-2010 Table of Contents Nomenclature........................1 Indoor ..........................1 Outdoor ..........................1 Product Line-Up ......................2 Application Information .....................5 Operating Range ......................5 Refrigerant Circuit Diagrams ..................6 Installation Guideline .....................7 Engineering & Physical Data ...................20 Performance Data ......................26 Outline and Dimension ....................29 Wiring Diagram .........................34 Service and Maintenance....................40 Troubleshooting .......................42...
Page 3: Nomenclature
Nomenclature A5MSY_(i) Nomenclature Indoor A 5 WM Y 10 L R – A C B D D Product Specification Brand Variation A: Acson D: Fourth Issue Grille Refrigerant D: Grille D 5: R410A Product Type Type of Air Filter WM: Wall Mounted...
Page 4: Product Line-Up
A5MSY_(i) Nomenclature Product Line-Up Indoor Unit A5WMY-L Series/J Series Classiﬁ cation A5WMY 10LR ACBDD 15LR ACBDD 10JR ACLBD 15JR ACLBD 20JR ACLTC Indoor Unit A5CKY-C Series Classiﬁ cation A5CKY 10CR ACOA 15CR ACOA 20CR ACOA PLCKYCR NGS02...
Page 5 Nomenclature A5MSY_(i) Indoor Unit A5CCY-C Series Classiﬁ cation A5CCY 10CR ACPA 15CR ACPA 20CR ACPA Indoor Unit A5CMY-E Series Classiﬁ cation A5CMY 15ER ACAA 20ER ACAA...
Page 6 A5MSY-BR Classiﬁ cation A5MSY 18BR ACDOA 20BR ACDOA 25BR ACDOA 30BR ACDOA * Remark : A5MSY18BR is not recommended to couple with A5WMY10/15 JR (for Wall Mounted series). A5MSY18BR is recommended to couple with A5WMY10/15 LR (for Wall Mounted series).
Page 7: Application Information
Ensure the operating temperature is in allowable range. Heatpump - A5MSY20/25/30BR Heating Cooling Standard point Indoor temp. (°CDB) Indoor temp. (°CWB) Heatpump - A5MSY18BR Heating Cooling Indoor temp. (°CDB) Indoor temp. (°CWB) Caution : The use of your air conditioner outside the range of working...
Page 8: Refrigerant Circuit Diagrams
Application Information A5MSY_(i) Refrigerant Circuit Diagrams Model: A5MSY18BR A5MSY20BR Model: A5MSY25BR A5MSY30BR...
Page 9: Installation Guideline
Application Information A5MSY_(i) Installation Guideline Installation of Outdoor Unit • The outdoor unit must be installed in such a way, so as to prevent short circuit of the hot discharged air or obstruction to the smooth air ﬂ ow. Please follow the installation clearance shown in the ﬁ gures below. Select the coolest possible place where intake air temperature is not greater than the outside air temperature (maximum 45°C/113°F) •...
Page 10 Application Information A5MSY_(i) Installation Diagram Wall Mounted Indoor Unit Cut thermal insulation pipe to an appropriate Caulk pipe 30mm or more from ceiling length and wrap it with hole gap tape, making sure that no with putty. gap is left in the insulation Front panel pipe's cut line.
Page 11 Application Information A5MSY_(i) Ceiling Cassette Drain Piping Thermal Insulation Wrap the insulated pipe with the finishing tape from bottom to top Front Panel Air Filter (behind the grille) Air Intake Grille Air Discharge Louver Preliminary Site Survey • Electrical supply and installation is to conﬁ rm to local authority’s (e.g. National Electrical Board) codes and regulations.
Page 12 A5MSY_(i) Application Information Unit Installation 15.0 18.0 538.0 529.0 19.0 32.0 580.0 ~ 610mm (CEILING OPENING MEASUREMENT) A5CKY-C • The indoor unit must be away from heat and steam sources (avoid installing it near an entrance). • Measure and mark the position for the hanging rod. Drill the hole for the angle nut on the ceiling and ﬁ x the hanging rod.
Page 13 Application Information A5MSY_(i) Ceiling Concealed Hanger Return duct Supply duct Wrap the insulated pipe with the finishing tape from bottom to top Drain Thermal insulation piping Preliminary Survey • Electrical supply and installation is to conﬁ rm to local authority’s (e.g. National Electrical Board) codes and regulations.
Page 14 A5MSY_(i) Application Information The diagrams below show the screws position for duct work connection.
Page 15 Application Information A5MSY_(i) Ceiling Convertible Preliminary Site Survey • Electrical supply and installation is to conﬁ rm to local authority’s (e.g. National Electrical Board) codes and regulations. • Voltage supply ﬂ uctuation must not exceed ± 10% of rated voltage. Electricity supply lines must be independent of welding transformers which can cause high supply ﬂ...
Page 16 A5MSY_(i) Application Information Please ensure that the following steps are taken: • Check the gradient for drainage ﬂ ow as recommended in Figure A. • Provide clearance for easy servicing and optimal air ﬂ ow as shown in Figure B. •...
Page 17 Application Information A5MSY_(i) Under Ceiling Installation Install the Suspension Bolts 1. Install the suspension bolts so that it can support the indoor unit. 2. Adjust the distance to ceiling before installation. 3. Refer to the dimension given to install the unit. Install the Indoor Unit 1.
Page 18 A5MSY_(i) Application Information Floor Standing Installation 1. Refer to the dimension as illustrated when installing the mounting bracket. 2. Determine the pipe hose position using the rear piping hole. Drill the pipe hole at the slight downward slant to the outdoor side. MOUNTING BRACKET HOCK THE UNIT ON THE MOUNTING BRACKET...
Page 19 Total Piping height Total Piping Pre-charged Additional Piping Length (m) Difference(m) length (m) (kg) Charge (g/m) Length(m) A5MSY18BR ≤ 30 L ≤ 20 H ≤ 15 (2 Ports) A5MSY20BR ≤ 50 L ≤ 25 H ≤ 15 (2 Ports) A5MSY25BR ≤...
Page 20 • The outdoor unit is equipped with two to four sets of ﬂ are joints depending on O/D unit model. Refer to the table below for ﬂ are joint size and location. Model Pipe Liquid 1/4” 1/4” A5MSY18BR 3/8” 3/8” Liquid 1/4” 1/4” A5MSY20BR 1/2”...
Page 21 Application Information A5MSY_(i) The ﬁ gures shown in the table are for information purpose only. They should be checked and selected to comply with the local/national codes of regulations. This is also subject to the type of installation and conductors used. ** The appropriate voltage range should be checked with label data on the unit.
Page 22: Engineering & Physical Data
1) ALL UNITS ARE BEING TESTED AND COMPLY TO ISO 5151 (NON-DUCTED UNIT) OR ISO 13253 (DUCTED UNIT). 2) ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE. 3) A5MSY18BR IS APPLICABLE WITH 5WMY10/15 LR BUT NOT WITH 5WMY10/15 JR (FOR WM UNIT). COOLING HEATING INDOOR: 27°C DB / 19°C WB...
Page 23 Engineering & Physical Data A5MSY_(i) Engineering Data - A5WMY - L Series (R410A model) MODEL INDOOR UNIT A5WMY10LR A5WMY15LR AUTO LOUVER (UP & DOWN) & GRILLE AIR DISCHARGE (LEFT & RIGHT) CONTROL OPERATION WIRELESS REMOTE CONTROL TURBO l/s / CFM 178 / 378 185 / 392 HIGH...
Page 24 A5MSY_(i) Engineering & Physical Data Engineering Data - A5WMY - J Series (R410A model) MODEL INDOOR UNIT A5WMY10JR A5WMY15JR A5WMY20JR AIR DISCHARGE AUTO LOUVER (UP & DOWN) & GRILLE (LEFT & RIGHT) CONTROL OPERATION WIRELESS REMOTE CONTROL TURBO l/s / CFM 178 / 378 185 / 392 273 / 578...
Page 25 Engineering & Physical Data A5MSY_(i) Engineering Data - A5CKY - C Series (R410A model) MODEL INDOOR UNIT A5CKY10CR A5CKY15CR A5CKY20CR 4 WAY AUTOMATIC LOUVER AIR DISCHARGE (UP & DOWN) CONTROL WIRELESS OR WIRED REMOTE OPERATION CONTROL HIGH l/s / CFM 193 / 400 193 / 410 212 / 450...
Page 26 A5MSY_(i) Engineering & Physical Data Engineering Data - A5CCY - C Series (R410A model) MODEL INDOOR UNIT A5CCY10CR A5CCY15CR A5CCY20CR AIR DISCHARGE DUCTED CONTROL OPERATION WIRELESS OR WIRED REMOTE CONTROL HIGH l/s / CFM 172 / 365 194 / 410 269 / 570 AIR FLOW MEDIUM...
Page 27 Engineering & Physical Data A5MSY_(i) Engineering Data - A5CMY - C Series (R410A model) MODEL INDOOR UNIT A5CMY15ER A5CMY20ER AUTOMATIC LOUVER AIR DISCHARGE (UP & DOWN) CONTROL OPERATION WIRELESS OR WIRED REMOTE CONTROL HIGH l/s / CFM 240 / 508 245 / 520 AIR FLOW MEDIUM...
Page 28: Performance Data
A5MSY_(i) Performance Data Performance Data Model: A5MSY18BR Cooling Mode Each capacity (kW) Total capacity (kW) Total input (W) Total current (A) Combination of indoor unit * A room B room Rated Rated Rated Rated 2.50 2.50 3.00 4.03 2.90 3.80 3.50...
Page 29 Performance Data A5MSY_(i) Model: A5MSY25BR Cooling Mode Each capacity (kW) Total capacity (kW) Total input (W) Total current (A) Combination of indoor unit * A room B room C room Rated Rated Rated Rated 2.50 2.50 3.00 4.24 2.70 3.80 3.50 3.50 3.70...
Page 30 A5MSY_(i) Performance Data Model: A5MSY30BR Cooling Mode Each capacity (kW) Total capacity (kW) Total input (W) Total current (A) Combination of indoor unit * A room B room C room D room Rated Rated Rated Rated 2.50 2.50 3.00 4.24 2.70 3.80 3.50...
Page 31: Outline And Dimension
Outline and Dimension A5MSY_(i) Outline and Dimension Outdoor Unit Model: A5MSY18BR Note: Dimension in mm Outdoor Unit Model: A5MSY20/25/30BR Dimension Dimension Note: Dimension in mm...
Page 32 A5MSY_(i) Outline and Dimension Indoor Unit Model: A5WMY 10/15LR Note: Dimension in mm Indoor Unit Model: A5WMY 10/15JR Note: Dimension in mm...
Page 33 Outline and Dimension A5MSY_(i) Indoor Unit Model: A5WMY 20/25JR 1065 Note: Dimension in mm Indoor Unit Model: A5CKY 10/15/20CR MODEL A5CKY 10/15/20CR Note: Dimension in mm...
Page 34 A5MSY_(i) Outline and Dimension Indoor Unit Model: A5CKY 20/25ER MODEL A5CKY 20/25ER Note: Dimension in mm Indoor Unit Model: A5CCY 10/15/20/25CR MODEL A5CCY 10/15CR 212,8 A5CCY 20CR 1041 1002 1065 212,8 A5CCY 25CR 1176 1137 1097 1200 212,8 Note: Dimension in mm...
Page 35 Outline and Dimension A5MSY_(i) Indoor Unit Model: A5CMY 15/20/25ER Note: Dimension in mm...
Page 36: Wiring Diagram
A5MSY_(i) Wiring Diagram Wiring Diagram Outdoor Unit Model: A5MSY18BR Outdoor Unit Model: A5MSY20BR LED A Service monitor LED (green) Wiring error check switch LED1 - LED4 Service monitor LED (red) Priority room setting switch Forced operation ON/OFF switch Night quiet mode setting switch...
Page 37 Wiring Diagram A5MSY_(i) Outdoor Unit Model: A5MSY25BR Outdoor Unit Model: A5MSY30BR LED A Service monitor LED (green) Wiring error check switch LED1 - LED4 Service monitor LED (red) Priority room setting switch Forced operation ON/OFF switch Night quiet mode setting switch...
Page 38 A5MSY_(i) Wiring Diagram Indoor Unit Model: A5WMY10/15JR/LR Indoor Unit Model: A5WMY20JR...
Page 39 Wiring Diagram A5MSY_(i) Indoor Unit Model: A5CKY10/15/20CR Indoor Unit Model: A5CCY10/15CR...
Page 40 A5MSY_(i) Wiring Diagram Indoor Unit Model: A5CCY20CR Indoor Unit Model: A5CMY15ER...
Page 41 Wiring Diagram A5MSY_(i) Indoor Unit Model: A5CMY20ER...
Page 42: Service And Maintenance
A5MSY_(i) Service and Maintenance Service and Maintenance Warning • Disconnect from main supply before servicing the air conditioner. • The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly checked and the following items should be given due attention. Components Maintenance Procedures Period...
Page 43 Service and Maintenance A5MSY_(i) Air Filter 1. Open the front panel. • Hold the panel at the recesses on the main unit (2 recesses on right and left sides) and lift it until it stops. Recess on main unit 2. Pull out the air ﬁ lters. •...
Page 44: Troubleshooting
A5MSY_(i) Troubleshooting Troubleshooting Fault Condition When a malfunction of the air conditioner unit is detected, immediately switch off the main power supply before proceeding with the following troubleshooting procedures. The following are common fault conditions and simple troubleshooting tips. If any other fault conditions which are not listed occur, contact your nearest local dealer.
Page 45 Troubleshooting A5MSY_(i) Indicator Lights IR Signal Receiver When an infrared remote control operating signal has been transmitted, the signal receiver on the indoor unit will respond as below to conﬁ rm acceptance of the signal transmission. ON to OFF 1 Long Beep OFF to ON 2 Short Beep Pump down/Cool force on...
Page 46 A5MSY_(i) Troubleshooting Error Code Diagnosis by Wireless Handset GS02 SWING TURBO MODE QUIET SLEEP ON TIMER CANCEL TIMER CANCEL CLOCK CANCEL OFF TIMER CANCEL Diagnosis Step 1. Hold down ON TIMER CANCEL button or OFF TIMER CANCEL button for 5 seconds, a “ ”...
Page 47 Troubleshooting A5MSY_(i) Error Codes Error Error Description Action Codes Normal No action. 1. Check sensor connection. 2. Check stop valve. Insufﬁ cient gas 3. Check for gas leak. 4. Check the EXV. 5. Check H8. 1. Check the supply voltage. 2.
Page 48 A5MSY_(i) Troubleshooting Error Error Description Action Codes 1. Check installation conditions. 2. Check stop valve. 3. Check HPS connection. High pressure protection 4. Check pressure level by pressure gauge. 5. Wait for 10 minutes then restart the system. 6. Check if H3 is displayed. 1.
Page 49 Troubleshooting A5MSY_(i) Error Error Description Action Codes 1. Restart the system. 2. Check capacitor voltage. AC current sensor error 3. Measure the rectiﬁ er input voltage. 4. Check compressor harness wire. 5. Check with inverter checker. 1. Check the sensor connection. Outdoor air thermistor short / open 2.
Page 50 A5MSY_(i) Troubleshooting Outdoor LED error indication The outdoor unit LED indicates the running condition of the system: LED INDICATION Green Description NORMAL INSTALLATION ERROR ANTIFREEZE (OTHER ROOMS) HEAT SINK OVERHEAT IPM ERROR/IGBT ERROR INSUFFICIENT GAS AC INPUT OVER CURRENT COMPRESSOR START-UP ERROR COMMUNICATION ERROR (OUTDOOR CONTROL PCB AND IPM PCB) 4 WAY VALVE ERROR...
Page 51 Troubleshooting A5MSY_(i) Error Code Diagnosis by Unit Last State Memory Using Wireless Handset 1. Remove battery from wireless handset. 2. Wait for the display to ﬁ nally go off (as this handset uses very small amount of power, hence it takes longer for the memory to reset).
Page 52: Exploded View And Part List
A5MSY_(i) Exploded View and Part List Exploded View and Part List Indoor Unit Model: A5WMY10/15LR No Description No Description Assy. Front Grille 12 Assy. Installation Plate Assy. Panel 13 Right Side Panel Assy. Disch. Grille Hor.Blade 14 Drip Proof Cover Bottom Frame Assy.
Page 53 Exploded View and Part List A5MSY_(i) Indoor Unit Model: A5WMY10/15JR No Description No Description Assy. Front Grille 11 Blower Panel 12 Assy. Installation Plate Disch. Grille Hor. Blade Assy. 13 Right Side Panel Assy. Bottom Frame 14 Cover, Drip Proof Assy.
Page 54 A5MSY_(i) Exploded View and Part List Indoor Unit Model: A5WMY 20JR No Description No Description 10 Assy. Control Box Assy. Chasis 11 Assy. Control Module Motor 12 Cover, Control Box Blower 13 Cover, Service Fan Bush 14 Assy. Mounting Plate Cover, Motor 15 Assy.
Page 55 Exploded View and Part List A5MSY_(i) Indoor Unit Model: PLCKY-CR No Description No Description 11 Lingkage, Motor Cover Frame 12 Assy. Bracket Receiver (LED/SLM) Assy. Intake Grille B 13 Assy. Motor Filter 14 Crank, Connector Lock, Grille 15 Louver, Holder Discharge, Foam 16 Cross, Crank Discharge, Foam LED...
Page 56 A5MSY_(i) Exploded View and Part List Indoor Unit Model: A5CKY 10/15/20CR Note: All exploded view and part list are subjected to change by the manufacturer without prior notice...
Page 57 Exploded View and Part List A5MSY_(i) Indoor Unit Model: A5CKY 10/15/20CR No Description No Description 14 Bush, Pump Assy. Base 15 Assy. Drain Pump Support Bracket Assy. Casing 16 Assy. End Plate Support Assy. Heat Exchanger 17 Clip, Coil Sensor Cover, Fan 18 Support, Heat Exchanger Blower...
Page 58 A5MSY_(i) Exploded View and Part List Indoor Unit Model: A5CCY 10/15/20CR No Description No Description Cabinet Assy. Blower Left 10 Motor Assy. Fan Deck Parts Not in Diagram Assy. Heat Exchanger Assy. Drain Pan Handset, Wired Assy. Secondary Drain Pan Air Filter Hanger Holder, Thermistor...
Page 59 Exploded View and Part List A5MSY_(i) Indoor Unit Model: A5CMY 15/20ER Note: All exploded view and part list are subjected to change by the manufacturer without prior notice...
Page 60 A5MSY_(i) Exploded View and Part List Indoor Unit Model: A5CMY 15/20/25ER No Description No Description 12 Assy. Panel Bottom Assy. Top Panel 13 Cover, Hanger L1 (C) Assy. Heat Exchanger 14 Cover, Hanger L2 (D) Assy. Vane 15 Cover, Hanger R1 (A) Assy.
Page 61 Exploded View and Part List A5MSY_(i) Outdoor Unit Model: A5MSY18BR Description Description Assy. Bottom Frame Panel, Front 5SLY10/15D Assy. Coil 5SLY15D/DR (Complete) Left Side Plate (1P205165-1) Assy. Motor Bracket Handle (Left) 3P206051-1 Panel, Partition Top Plate (2P206032-1) Assy. Control Box (Main) 5MSY18BR...
Page 62 A5MSY_(i) Exploded View and Part List Outdoor Unit Model: A5MSY20BR Description Description Assy. Base Pan Assy. Comp. Mounting Plate Assy. Outdoor Coil Grommet, Comp. Flat Washer Compressor Washer, Spring Terminal Cover Screw Motor, Bracket Assy. Panel Right Back Plate, Seal Board Assy.
Page 63 Exploded View and Part List A5MSY_(i) Outdoor Unit Model: A5MSY25BR Description Description Assy. Base Pan Grommet, Comp. Assy. Outdoor Coil Accumulator Flat Washer Compressor Washer, Spring Terminal Cover Screw Motor, Bracket Assy. Panel Right Back Plate, Seal Board Assy. Panel Top Assy.
Page 64 A5MSY_(i) Exploded View and Part List Outdoor Unit Model: A5MSY30BR Description Description Assy. Base Pan Grommet, Comp. Assy. Outdoor Coil Accumulator Flat Washer Compressor Washer, Spring Terminal Cover Screw Motor, Bracket Assy. Panel Right Back Plate, Seal Board Assy. Panel Top Assy.
Page 65 While upmost care is taken in ensuring that all details in the publication are correct at time of going to press, we are constantly striving for improvement and therefore reserve the rights to alter model specifications and equipment without prior notice. Details of speci fications andequipment are also subject to change to suit local conditions and equirements and not all models are available in every market.
Page 66 Revision History List Manual Inverter Multi Split System A5MSY_(i)-0001 Amendment on Revision Subject Date Manual’s Page No. 1. Correction on Application Information 09.1.2012...

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A5msy20br A5msy25br A5msy30br

Acson A5MSY18BR Manual

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